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CVE-2020-13123 - pulseaudio vulnerability

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Avital Ostromich 2020-12-03 17:54:08 -05:00
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2020/16xxx/CVE-2020-16123.json
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{
"data_type": "CVE",
"data_format": "MITRE",
"data_version": "4.0",
"CVE_data_meta": {
"AKA": "",
"ASSIGNER": "security@ubuntu.com",
"DATE_PUBLIC": "2020-11-23T15:43:00.000Z",
"ID": "CVE-2020-16123",
"ASSIGNER": "cve@mitre.org",
"STATE": "RESERVED"
"STATE": "PUBLIC",
"TITLE": "Bypass of snapd pulseaudio restrictions"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "pulseaudio",
"version": {
"version_data": [
{
"platform": "",
"version_affected": "<",
"version_name": "1:13.99.3-1",
"version_value": "1:13.99.3-1ubuntu2"
},
{
"platform": "",
"version_affected": "<",
"version_name": "1:13.99.2-1",
"version_value": "1:13.99.2-1ubuntu2.1"
},
{
"platform": "",
"version_affected": "<",
"version_name": "1:13.99.1-1",
"version_value": "1:13.99.1-1ubuntu3.8"
},
{
"platform": "",
"version_affected": "<",
"version_name": "1:11.1-1",
"version_value": "1:11.1-1ubuntu7.11"
},
{
"platform": "",
"version_affected": "<",
"version_name": "1:8.0-0",
"version_value": "1:8.0-0ubuntu3.15"
}
]
}
}
]
},
"vendor_name": "Canonical"
}
]
}
},
"configuration": [],
"credit": [
{
"lang": "eng",
"value": "James Henstridge"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
"value": "An Ubuntu-specific patch in PulseAudio created a race condition where the snap policy module would fail to identify a client connection from a snap as coming from a snap if SCM_CREDENTIALS were missing, allowing the snap to connect to PulseAudio without proper confinement. This could be exploited by an attacker to expose sensitive information. Fixed in 1:13.99.3-1ubuntu2, 1:13.99.2-1ubuntu2.1, 1:13.99.1-1ubuntu3.8, 1:11.1-1ubuntu7.11, and 1:8.0-0ubuntu3.15."
}
]
}
}
},
"exploit": [],
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 4.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-362 Race Condition (Concurrent Execution using Shared Resource with Improper Synchronization)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://launchpad.net/bugs/1895928",
"refsource": "UBUNTU",
"url": "https://launchpad.net/bugs/1895928"
},
{
"name": "https://ubuntu.com/USN-4640-1",
"refsource": "UBUNTU",
"url": "https://ubuntu.com/USN-4640-1"
}
]
},
"solution": [],
"source": {
"advisory": "https://ubuntu.com/USN-4640-1",
"defect": [
"https://launchpad.net/bugs/1895928"
],
"discovery": "INTERNAL"
},
"work_around": []
}